StreetMonster Chevy 4L80E Transmission & Converter Conversion Package

Upgrade your classic Chevy with the StreetMonster 4L80E Transmission & Converter Master Conversion Package—the perfect solution for replacing your old 2- or 3-speed transmission with the modern performance of a 4L80E Automatic Overdrive. This comprehensive package is designed for customers who want smooth shifts, improved fuel efficiency, and reliable power delivery while maintaining the timeless appeal of their classic Chevy. With most of the necessary components included (excluding the driveshaft, speedo cable, and crossmember), this conversion package makes upgrading seamless and efficient.



The StreetMonster 4L80E transmission offers a 4-speed automatic design with overdrive, delivering better acceleration, fuel efficiency, and long-lasting reliability. Paired with the included heavy-duty torque converter, this package ensures precise shifts, efficient power transfer, and unmatched durability for both daily driving and performance applications.